Keyword Analysis & Research: why is cool air more dense than warm air

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why is cool air more dense than warm air	0.74	0.2	8074	23	40
why	1.94	0.6	7793	18	3
is	1.95	0.4	9799	67	2
cool	1.37	0.5	8832	72	4
air	1.94	0.9	7311	13	3
more	1.18	0.8	2201	82	4
dense	1	0.1	5175	3	5
than	0.4	1	1031	41	4
warm	0.68	1	9877	66	4
air	1.74	0.1	5881	41	3

Keyword	CPC	PCC	Volume	Score
why is cool air more dense than warm air	1.49	0.8	9391	41